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The B-LOC brand is synonymous with world class quality, engineering excellence and unrivaled customer support. Fenner Drives B-LOC Keyless Bushings provide a high capacity, zero-backlash shaft-to-hub connection by using the simple wedge principle. An axial force is applied by series of annular screws to engage circular steel rings and mating tapers. The resulting wedge action creates a radial force on the tapered rings, one of which contracts to squeeze the shaft while the other expands and presses into the component bore.
Straight Locking Assemblies
Unit of Measure
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Item #

Item Name

Screw Size

Torque [Max]

Tightening Torque

Outside Diameter

BCH202112-025 N/A BCH20 1.75" M5 x 25 N/A M5 x 25 N/A 385 lb·ft N/A 7 lb·ft N/A 2.992 in
BCH202112-030 N/A BCH20 1.75" M5 x 30 N/A M5 x 30 N/A 385 lb·ft N/A 7 lb·ft N/A 2.992 in
BCH202114-030 N/A BCH20 1.875" M5 x 30 N/A M5 x 30 N/A 683 lb·ft N/A 7 lb·ft N/A 3.543 in
BCH202114-040 N/A BCH20 1.875" M5 x 40 N/A M5 x 40 N/A 683 lb·ft N/A 7 lb·ft N/A 3.543 in
BCH202115-030 N/A BCH20 1.9375" M5 x 30 N/A M5 x 30 N/A 683 lb·ft N/A 7 lb·ft N/A 3.543 in
BCH202115-040 N/A BCH20 1.9375" M5 x 40 N/A M5 x 40 N/A 683 lb·ft N/A 7 lb·ft N/A 3.543 in
BCH202200-030 N/A BCH20 2" M5 x 30 N/A M5 x 30 N/A 683 lb·ft N/A 7 lb·ft N/A 3.543 in
BCH202200-040 N/A BCH20 2" M5 x 40 N/A M5 x 40 N/A 683 lb·ft N/A 7 lb·ft N/A 3.543 in
BCH202202-030 N/A BCH20 2.125" M5 x 30 N/A M5 x 30 N/A 683 lb·ft N/A 7 lb·ft N/A 3.543 in
BCH202202-040 N/A BCH20 2.125" M5 x 40 N/A M5 x 40 N/A 683 lb·ft N/A 7 lb·ft N/A 3.543 in
BCH202203-030 N/A BCH20 2.1875" M5 x 30 N/A M5 x 30 N/A 683 lb·ft N/A 7 lb·ft N/A 3.543 in
BCH202203-040 N/A BCH20 2.1875" M5 x 40 N/A M5 x 40 N/A 683 lb·ft N/A 7 lb·ft N/A 3.543 in
BCH202204-035 N/A BCH20 2.25" M6 x 35 N/A M6 x 35 N/A 1066 lb·ft N/A 12 lb·ft N/A 4.134 in
BCH202204-045 N/A BCH20 2.25" M6 x 45 N/A M6 x 45 N/A 1066 lb·ft N/A 12 lb·ft N/A 4.134 in
BCH202206-035 N/A BCH20 2.375" M6 x 35 N/A M6 x 35 N/A 1066 lb·ft N/A 12 lb·ft N/A 4.134 in
BCH202206-045 N/A BCH20 2.375" M6 x 45 N/A M6 x 45 N/A 1066 lb·ft N/A 12 lb·ft N/A 4.134 in
BCH202207-035 N/A BCH20 2.4375" M6 x 35 N/A M6 x 35 N/A 1066 lb·ft N/A 12 lb·ft N/A 4.134 in
BCH202207-045 N/A BCH20 2.4375" M6 x 45 N/A M6 x 45 N/A 1066 lb·ft N/A 12 lb·ft N/A 4.134 in
BCH202208-035 N/A BCH20 2.5" M6 x 35 N/A M6 x 35 N/A 1066 lb·ft N/A 12 lb·ft N/A 4.134 in
BCH202208-045 N/A BCH20 2.5" M6 x 45 N/A M6 x 45 N/A 1066 lb·ft N/A 12 lb·ft N/A 4.134 in
BCH202209-035 N/A BCH20 2.5625" M6 x 35 N/A M6 x 35 N/A 1066 lb·ft N/A 12 lb·ft N/A 4.134 in
BCH202209-045 N/A BCH20 2.5625" M6 x 45 N/A M6 x 45 N/A 1066 lb·ft N/A 12 lb·ft N/A 4.134 in
BCH202210-035 N/A BCH20 2.625" M6 x 35 N/A M6 x 35 N/A 1617 lb·ft N/A 12 lb·ft N/A 4.724 in
BCH202210-045 N/A BCH20 2.625" M6 x 45 N/A M6 x 45 N/A 1617 lb·ft N/A 12 lb·ft N/A 4.724 in
BCH202212-035 N/A BCH20 2.75" M6 x 35 N/A M6 x 35 N/A 1617 lb·ft N/A 12 lb·ft N/A 4.724 in
Unit of Measure
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